Finding the Fourth Proportional to 1,624,073,868.30, 2,436,110,802.45 and 397,242,319.80
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Solution
The fourth proportional to 1,624,073,868.30, 2,436,110,802.45 and 397,242,319.80 is: 595,863,479.70
Step by Step Solution
- Step 1: Write the proportion equation
1,624,073,868.30 : 2,436,110,802.45 = 397,242,319.80 : x - Step 2: Convert to fraction form
1,624,073,868.30/2,436,110,802.45 = 397,242,319.80/x - Step 3: Cross multiply
1,624,073,868.30x = 2,436,110,802.45 × 397,242,319.80 - Step 4: Simplify right side
1,624,073,868.30x = 967,726,306,455,077,504 - Step 5: Solve for x
x = 967,726,306,455,077,504/1,624,073,868.30 - Step 6: Final answer
x = 595,863,479.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.